MDEV-10112: mysql_secure_installation should use GRANT, REVOKE, etc for galera support#4775

kjarir wants to merge 4 commits intoMariaDB:11.4MariaDB/server:11.4from

kjarir:MDEV-10112-galera-safe-secure-installationkjarir/server:MDEV-10112-galera-safe-secure-installationCopy head branch name to clipboard